{"id":2615,"date":"2026-04-22T14:36:46","date_gmt":"2026-04-22T14:36:46","guid":{"rendered":"https:\/\/tradekhongngutrua.com\/?p=2615"},"modified":"2026-04-23T06:22:18","modified_gmt":"2026-04-23T06:22:18","slug":"rsi-chi-bao-quoc-dan-trong-gioi-tai-chinh","status":"publish","type":"post","link":"https:\/\/tradekhongngutrua.com\/index.php\/2026\/04\/22\/rsi-chi-bao-quoc-dan-trong-gioi-tai-chinh\/","title":{"rendered":"5, RSi ch\u1ec9 b\u00e1o qu\u1ed1c d\u00e2n trong gi\u1edbi t\u00e0i ch\u00ednh"},"content":{"rendered":"\n

RSI (Relative Strength Index) l\u00e0 m\u1ed9t trong nh\u1eefng ch\u1ec9 b\u00e1o k\u1ef9 thu\u1eadt ph\u1ed5 bi\u1ebfn nh\u1ea5t trong forex, \u0111\u1eb7c bi\u1ec7t v\u1edbi ng\u01b0\u1eddi m\u1edbi. L\u00fd do \u0111\u01a1n gi\u1ea3n: d\u1ec5 d\u00f9ng, d\u1ec5 hi\u1ec3u v\u00e0 c\u00f3 th\u1ec3 \u00e1p d\u1ee5ng trong nhi\u1ec1u \u0111i\u1ec1u ki\u1ec7n th\u1ecb tr\u01b0\u1eddng. Tuy nhi\u00ean, n\u1ebfu ch\u1ec9 d\u00f9ng RSI theo c\u00e1ch m\u1eb7c \u0111\u1ecbnh, b\u1ea1n r\u1ea5t d\u1ec5 r\u01a1i v\u00e0o b\u1eaby t\u00edn hi\u1ec7u sai.<\/p>\n\n\n\n

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xr:d:DAEybGnSiW0:438,j:25272345231,t:22050313<\/figcaption><\/figure>\n\n\n\n

RSI l\u00e0 m\u1ed9t ch\u1ec9 b\u00e1o \u0111\u1ed9ng l\u01b0\u1ee3ng (momentum)<\/strong>, \u0111o l\u01b0\u1eddng t\u1ed1c \u0111\u1ed9 v\u00e0 m\u1ee9c \u0111\u1ed9 thay \u0111\u1ed5i c\u1ee7a gi\u00e1. Ch\u1ec9 b\u00e1o n\u00e0y dao \u0111\u1ed9ng trong kho\u1ea3ng t\u1eeb 0 \u0111\u1ebfn 100. Hai ng\u01b0\u1ee1ng quan tr\u1ecdng nh\u1ea5t l\u00e0 30 v\u00e0 70<\/strong>. Khi RSI d\u01b0\u1edbi 30, th\u1ecb tr\u01b0\u1eddng \u0111\u01b0\u1ee3c xem l\u00e0 \u201cqu\u00e1 b\u00e1n\u201d (oversold); khi tr\u00ean 70, th\u1ecb tr\u01b0\u1eddng \u1edf tr\u1ea1ng th\u00e1i \u201cqu\u00e1 mua\u201d (overbought).<\/p>\n\n\n\n

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Nghe th\u00ec \u0111\u01a1n gi\u1ea3n, nh\u01b0ng \u0111\u00e2y c\u0169ng l\u00e0 \u0111i\u1ec3m khi\u1ebfn nhi\u1ec1u ng\u01b0\u1eddi hi\u1ec3u sai. Kh\u00f4ng ph\u1ea3i c\u1ee9 RSI > 70 l\u00e0 n\u00ean b\u00e1n, hay RSI < 30 l\u00e0 n\u00ean mua. <\/p>\n\n\n\n

Trong th\u1ef1c t\u1ebf, khi th\u1ecb tr\u01b0\u1eddng c\u00f3 xu h\u01b0\u1edbng m\u1ea1nh, RSI c\u00f3 th\u1ec3 duy tr\u00ec \u1edf v\u00f9ng qu\u00e1 mua ho\u1eb7c qu\u00e1 b\u00e1n trong th\u1eddi gian d\u00e0i. N\u1ebfu b\u1ea1n c\u1ed1 \u201cb\u1eaft \u0111\u1ec9nh b\u1eaft \u0111\u00e1y\u201d ch\u1ec9 d\u1ef1a v\u00e0o RSI, kh\u1ea3 n\u0103ng cao s\u1ebd v\u00e0o l\u1ec7nh ng\u01b0\u1ee3c xu h\u01b0\u1edbng.<\/p>\n\n\n\n

C\u00e1ch d\u00f9ng RSI hi\u1ec7u qu\u1ea3 h\u01a1n l\u00e0 \u0111\u1eb7t n\u00f3 trong b\u1ed1i c\u1ea3nh xu h\u01b0\u1edbng<\/strong>. Trong xu h\u01b0\u1edbng t\u0103ng, RSI th\u01b0\u1eddng dao \u0111\u1ed9ng trong v\u00f9ng 40\u201380 thay v\u00ec 30\u201370. <\/p>\n\n\n\n

Ng\u01b0\u1ee3c l\u1ea1i, trong xu h\u01b0\u1edbng gi\u1ea3m, RSI th\u01b0\u1eddng n\u1eb1m trong kho\u1ea3ng 20\u201360. \u0110i\u1ec1u n\u00e0y gi\u00fap b\u1ea1n hi\u1ec3u r\u1eb1ng RSI kh\u00f4ng ch\u1ec9 b\u00e1o qu\u00e1 mua \u2013 qu\u00e1 b\u00e1n, m\u00e0 c\u00f2n ph\u1ea3n \u00e1nh s\u1ee9c m\u1ea1nh c\u1ee7a xu h\u01b0\u1edbng.<\/p>\n\n\n\n

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M\u1ed9t \u1ee9ng d\u1ee5ng quan tr\u1ecdng kh\u00e1c l\u00e0 ph\u00e2n k\u1ef3 (divergence)<\/strong>. Ph\u00e2n k\u1ef3 x\u1ea3y ra khi gi\u00e1 v\u00e0 RSI \u0111i ng\u01b0\u1ee3c nhau. V\u00ed d\u1ee5, gi\u00e1 t\u1ea1o \u0111\u1ec9nh cao h\u01a1n nh\u01b0ng RSI l\u1ea1i t\u1ea1o \u0111\u1ec9nh th\u1ea5p h\u01a1n \u2013 \u0111\u00e2y l\u00e0 d\u1ea5u hi\u1ec7u cho th\u1ea5y \u0111\u1ed9ng l\u01b0\u1ee3ng \u0111ang y\u1ebfu \u0111i v\u00e0 c\u00f3 th\u1ec3 x\u1ea3y ra \u0111\u1ea3o chi\u1ec1u. <\/p>\n\n\n\n

Tuy nhi\u00ean, ph\u00e2n k\u1ef3 kh\u00f4ng ph\u1ea3i t\u00edn hi\u1ec7u v\u00e0o l\u1ec7nh ngay l\u1eadp t\u1ee9c, m\u00e0 n\u00ean \u0111\u01b0\u1ee3c xem nh\u01b0 c\u1ea3nh b\u00e1o s\u1edbm.<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

Ngo\u00e0i ra, RSI c\u0169ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c d\u00f9ng \u0111\u1ec3 x\u00e1c nh\u1eadn t\u00edn hi\u1ec7u. V\u00ed d\u1ee5, khi gi\u00e1 ch\u1ea1m v\u00f9ng h\u1ed7 tr\u1ee3 v\u00e0 RSI \u0111\u1ed3ng th\u1eddi \u1edf v\u00f9ng qu\u00e1 b\u00e1n, x\u00e1c su\u1ea5t b\u1eadt l\u00ean s\u1ebd cao h\u01a1n. Nh\u01b0ng m\u1ed9t l\u1ea7n n\u1eefa, RSI ch\u1ec9 n\u00ean l\u00e0 c\u00f4ng c\u1ee5 h\u1ed7 tr\u1ee3, kh\u00f4ng ph\u1ea3i y\u1ebfu t\u1ed1 quy\u1ebft \u0111\u1ecbnh duy nh\u1ea5t.<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

M\u1ed9t sai l\u1ea7m ph\u1ed5 bi\u1ebfn l\u00e0 c\u1ed1 g\u1eafng t\u1ed1i \u01b0u h\u00f3a RSI b\u1eb1ng c\u00e1ch thay \u0111\u1ed5i th\u00f4ng s\u1ed1 li\u00ean t\u1ee5c. M\u1eb7c \u0111\u1ecbnh RSI 14 \u0111\u00e3 ho\u1ea1t \u0111\u1ed9ng kh\u00e1 t\u1ed1t trong \u0111a s\u1ed1 tr\u01b0\u1eddng h\u1ee3p. <\/p>\n\n\n\n

Vi\u1ec7c ch\u1ec9nh s\u1eeda qu\u00e1 nhi\u1ec1u \u0111\u00f4i khi ch\u1ec9 khi\u1ebfn b\u1ea1n r\u01a1i v\u00e0o b\u1eaby t\u1ed1i \u01b0u qu\u00e1 kh\u1ee9 (overfitting) m\u00e0 kh\u00f4ng c\u1ea3i thi\u1ec7n hi\u1ec7u qu\u1ea3 th\u1ef1c t\u1ebf.<\/p>\n\n\n\n

T\u00f3m l\u1ea1i, RSI l\u00e0 m\u1ed9t c\u00f4ng c\u1ee5 m\u1ea1nh n\u1ebfu b\u1ea1n hi\u1ec3u \u0111\u00fang b\u1ea3n ch\u1ea5t: n\u00f3 \u0111o \u0111\u1ed9ng l\u01b0\u1ee3ng, kh\u00f4ng ph\u1ea3i d\u1ef1 \u0111o\u00e1n t\u01b0\u01a1ng lai. Khi k\u1ebft h\u1ee3p RSI v\u1edbi xu h\u01b0\u1edbng v\u00e0 c\u00e1c v\u00f9ng gi\u00e1 quan tr\u1ecdng, b\u1ea1n s\u1ebd t\u1eadn d\u1ee5ng \u0111\u01b0\u1ee3c t\u1ed1i \u0111a gi\u00e1 tr\u1ecb c\u1ee7a ch\u1ec9 b\u00e1o n\u00e0y, thay v\u00ec s\u1eed d\u1ee5ng n\u00f3 m\u1ed9t c\u00e1ch m\u00e1y m\u00f3c v\u00e0 thi\u1ebfu hi\u1ec7u qu\u1ea3.<\/p>\n","protected":false},"excerpt":{"rendered":"

RSI (Relative Strength Index) l\u00e0 m\u1ed9t trong nh\u1eefng ch\u1ec9 b\u00e1o k\u1ef9 thu\u1eadt ph\u1ed5 bi\u1ebfn nh\u1ea5t trong forex, \u0111\u1eb7c bi\u1ec7t v\u1edbi ng\u01b0\u1eddi m\u1edbi. L\u00fd do \u0111\u01a1n gi\u1ea3n: d\u1ec5 d\u00f9ng, d\u1ec5 hi\u1ec3u v\u00e0 c\u00f3 th\u1ec3 \u00e1p d\u1ee5ng trong nhi\u1ec1u \u0111i\u1ec1u ki\u1ec7n th\u1ecb tr\u01b0\u1eddng. Tuy nhi\u00ean, n\u1ebfu ch\u1ec9 d\u00f9ng RSI theo c\u00e1ch m\u1eb7c \u0111\u1ecbnh, b\u1ea1n r\u1ea5t d\u1ec5 r\u01a1i […]<\/p>\n","protected":false},"author":1,"featured_media":2621,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[53],"tags":[],"class_list":["post-2615","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-phan-tich-ky-thuat"],"_links":{"self":[{"href":"https:\/\/tradekhongngutrua.com\/index.php\/wp-json\/wp\/v2\/posts\/2615","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/tradekhongngutrua.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/tradekhongngutrua.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/tradekhongngutrua.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/tradekhongngutrua.com\/index.php\/wp-json\/wp\/v2\/comments?post=2615"}],"version-history":[{"count":2,"href":"https:\/\/tradekhongngutrua.com\/index.php\/wp-json\/wp\/v2\/posts\/2615\/revisions"}],"predecessor-version":[{"id":2633,"href":"https:\/\/tradekhongngutrua.com\/index.php\/wp-json\/wp\/v2\/posts\/2615\/revisions\/2633"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/tradekhongngutrua.com\/index.php\/wp-json\/wp\/v2\/media\/2621"}],"wp:attachment":[{"href":"https:\/\/tradekhongngutrua.com\/index.php\/wp-json\/wp\/v2\/media?parent=2615"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/tradekhongngutrua.com\/index.php\/wp-json\/wp\/v2\/categories?post=2615"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/tradekhongngutrua.com\/index.php\/wp-json\/wp\/v2\/tags?post=2615"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}